1. School of Life Science, Shanxi University, Taiyuan 030006 (China)
2. Institute of Plant Physiology, Russian Academy of Sciences, 127276, Moscow (Russia)
3. Museum of Natural History and Department of Ecology and Evolutionary Biology University of Colorado, Boulder, Colorado, 80309 (United States) and University of Michigan Biological Station, Pellston, MI 49769 (United States) patrick.kociolek@colorado.